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F1_Dragon
Kyalami


Joined: 25 Jul 2005
Posts: 1959
Location: London

2002 Porsche 996 Carrera 4S

PostPosted: Sat Mar 25, 2006 6:12 pm    Post subject: Reply with quote

Hi All,

Washed the car this morning and took her for a short spin to dry out the brakes. 2 hours later went to start her up and she wouldn't turn over, battery gauge just above 10V Sad

Phoned Porsche Assistance (aka RAC) who turned up in 40mins from me making first call. Laughing

Alternator ok, so new battery probably needed. Went for a long blast to try and get some charge in to it, the battery gauge reads around 13.5V, have to see tommorrow if this is held.

Assuming i do need new battery...where should i get one from, I am based in North West London?

The RAC guy said i should get battery from OPC as they are gel filled and only Porsche supply these. Given i also want to preserve my warranty and need Porsche parts to to do this, do people think this is the best (if pricy) option?

as always any thoughts appreciated...chrs!


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Haran
996C4S
 
  
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Used Porsche
Watkins Glen


Joined: 23 May 2003
Posts: 2132



PostPosted: Sun Mar 26, 2006 12:23 am    Post subject: Reply with quote

Do a search on battery! there is so much on here - every 993 drains batteries - get a spare and keep it charged - dont buy a OPC at 120 quid - get a Bosch silver for less than 60 - even get two!

example from one of my previuos posts.../...
"Batteries dont like 993's. There is a current drain which causes them to go flat in a few days. Clock and alarm system are the culprits. Thats probably why Porsche charge 120 quid for a battery - it helps to keep the parts dept profits up.
My car has a battery disconnect switch installed by a previous owner. If you dont use the car every day for a decent drive the battery gradually discharges to the point where it damages the cells. If you have a garage with power you can get a mains fed battery maintainer to keep it in tip top nick.
I would be inclined to run the car for a while and take it to a non porsche specialist auto electrician to test the drain and check the alternator output.

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Used Porsche
Watkins Glen


Joined: 23 May 2003
Posts: 2132



PostPosted: Sun Mar 26, 2006 12:27 am    Post subject: Reply with quote

Do a google search for bosche and look at their battery advice as well - low usage and short trips and weekends only and no top up charging and stereo and aircon and lights and god know what else electrical wrecks a battery - and if its 3 years old then its time for a new one!

And a bit of a run round wont fully charge a very flat battery - 18 hours overnight on a trickle charger will - you can get one on this site.

By the way the same applies to 996's as well. And Vectras!

Get more info here

http://www.batterystuff.com/tutorial_battery.html

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F1_Dragon
Kyalami


Joined: 25 Jul 2005
Posts: 1959
Location: London

2002 Porsche 996 Carrera 4S

PostPosted: Sun Mar 26, 2006 11:47 am    Post subject: Reply with quote

Stevo, thanks for advice, i forgot to say I had already done a search - very useful info...I did notice you popped up on every battery thread with words of wisedom...batteries seem to be a sort of personal crusade! Wink

Would buy a trickle charger but do not have mains supply in my garage... Sad

But still wasn't clear for 996s if people just get new batteries from OPCs or is it possible to get porsche 'badged' batteries elsewhere cheaper? I want to make sure I stick with Porsche OEM parts...or am i taking things too far?

Thanks!


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Haran
996C4S
 
  
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Used Porsche
Watkins Glen


Joined: 23 May 2003
Posts: 2132



PostPosted: Sun Mar 26, 2006 1:39 pm    Post subject: Reply with quote

I have a New Bosche Silver and a previously bought 120 Porsche badged one from Guidford Porsche - in my opinion there is no material difference where it matters - how long it stays charged. I now keep one on trickle charge with the same make of charger as sold here - then swap them over when one starts to fade.
My car has a battery switch with a removable key under the bonnet and the previous service history shows a battery replacement after 20k miles. I have now done 46k miles.
One problem that made mine worse was the incorrect wiring of the radio when I changed to Alpine - it left the CD stack and main radio permanently on - this was found by Ray Northways (independant) when I had the last service.
In my opinion - get a Bosche. - you'll have the money left to get another on 3 years if you need to!

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F1_Dragon
Kyalami


Joined: 25 Jul 2005
Posts: 1959
Location: London

2002 Porsche 996 Carrera 4S

PostPosted: Sun Mar 26, 2006 6:06 pm    Post subject: Reply with quote

Thanks again Stevo.

Battery completely dead today, so will begin surfing for replacment. Sad

chrs.


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Haran
996C4S
 
  
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Pixelation
Monza


Joined: 23 May 2003
Posts: 228


1995 Porsche 993 Carrera 4

PostPosted: Sun Mar 26, 2006 9:01 pm    Post subject: Reply with quote

where's the cheapest place to get a Bosch Silver battery from??

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F1_Dragon
Kyalami


Joined: 25 Jul 2005
Posts: 1959
Location: London

2002 Porsche 996 Carrera 4S

PostPosted: Sun Mar 26, 2006 9:24 pm    Post subject: Reply with quote

Costco seem to be the cheapest...but you have to be, or know somebody who is a member.

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Haran
996C4S
 
  
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F1_Dragon
Kyalami


Joined: 25 Jul 2005
Posts: 1959
Location: London

2002 Porsche 996 Carrera 4S

PostPosted: Mon Mar 27, 2006 10:24 am    Post subject: Reply with quote

Hmmm...OPC want 143 for a battery, 201 inc fitting and they want to do a drain test bringing total up to 259.

seems a bit steep to replace battery.... Sad

Is anybody able to give me size/details of their 80AmpHr 996 battery so i can get quotes elsewhere? OPC wouldn't give me details and mine is currently stuck in car at home with lids locked.

TIA


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Haran
996C4S
 
  
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steve cutler
Newbie


Joined: 30 Jan 2006
Posts: 19
Location: Basingstoke


PostPosted: Tue Mar 28, 2006 7:52 am    Post subject: Reply with quote



I just went inyo Halfrauds and got one off the shelf for mine....fits and works a treat, can't remember exactly how much, but a lot less than 143, and the fitting was free.... Smile

Remember to have the ignition on when you change it though.... Smile


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F1_Dragon
Kyalami


Joined: 25 Jul 2005
Posts: 1959
Location: London

2002 Porsche 996 Carrera 4S

PostPosted: Tue Mar 28, 2006 8:43 am    Post subject: Reply with quote

Cheers Steve.

The nice chaps at JAZ in Wembley are going to do me a Bosch for 70...I will still be able to sit down after that... Wink


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Haran
996C4S
 
  
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Tiptronic
Shanghai


Joined: 28 Sep 2005
Posts: 4685



PostPosted: Tue Mar 28, 2006 8:56 am    Post subject: Reply with quote

Thats a horrific price for a battery, whos the parts manager Vincent Price?

Stick with Jaz.

Regards,

Daz

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Jay T
Barcelona


Joined: 21 Apr 2004
Posts: 1334
Location: Out West


PostPosted: Tue Mar 28, 2006 9:28 am    Post subject: Reply with quote

Previous poster wrote:
Quote: Originally posted by Speed Freak on 28 March 2006

Thats a horrific price for a battery, whos the parts manager Vincent Price?

LOL Very Happy

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supersport
Suzuka


Joined: 19 May 2005
Posts: 1008
Location: York

1987 Porsche 911 3.2 Carrera Supersport

PostPosted: Tue Mar 28, 2006 3:07 pm    Post subject: Reply with quote

Previous poster wrote:
Quote: Originally posted by F1_Dragon on 26 March 2006

Would buy a trickle charger but do not have mains supply in my garage... Sad



Get you local friendly sparky to come along and wire up a nice feed to your garage, cost me about 400. Is a little expensive just to run a trickle charger, but I got lighting and some sockets too.

Amazing the wife agreed to it, but is very handy, especially at night and over the winter when the car wasn't used.

Mark.


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1987 911 Carerra 3.2 Supersport

 
  
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LOJO
Österreich


Joined: 21 Jun 2003
Posts: 958
Location: Bucks


PostPosted: Tue Mar 28, 2006 7:49 pm    Post subject: Reply with quote

Mark, you are doing it wrong -

1. Get the wife to push start you a couple of times.

2. Suggest that you need to spend 400 on a power source.

3. She will be happy to sponsor you!!

LJ


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996 C2
 
  
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F1_Dragon
Kyalami


Joined: 25 Jul 2005
Posts: 1959
Location: London

2002 Porsche 996 Carrera 4S

PostPosted: Wed Mar 29, 2006 12:01 pm    Post subject: Reply with quote

Got new Battery from JAZ this morning after being jump started by RAC at 7am. Not sure the neighbours appreciated the alarm wake up call when i tried to disarm alarm Embarassed
.

Really nice bunch of guys, nice cup of tea while i waited, and they had a lovely speed yellow 964 RSR in to look at....yummy.... Laughing


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Haran
996C4S
 
  
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wagonface
Barcelona


Joined: 04 Apr 2006
Posts: 1427
Location: Esher

1991 Porsche 964 Turbo

PostPosted: Tue Apr 04, 2006 9:33 am    Post subject: Reply with quote

Having had months of battery problems, I have some adviuce to offer, but also some questions I still need answering.

Battery going flat - solutions:- trickle charger plugged into mains (I suggest Halfords). If you get one that plugs into your ciggy lighter, you need to get the wiring changed on the car so the cig lighter is live after you turn things off (apparently normally all circuits are shut down after switch off)- solar panel charger. I had to go for this as I park on the street. Not sure how effective it is, but its my only option. I got mine from the really nice chaps at Select Solar:


Battery going flat - why?- I use my car sparingly (2x20min journeys during the week, 2x30mins at weekend)- Even with a brand new Porsche battery (130 thank you very much) I had major problems with it draining in winter (summer isnt as bad due to atmospheric pressure)- Even after a 1hr drive on the weekend, 5 days later its flat and setting the alarm off- 4 OPM's and 3 independents told me this isnt great, but is certainly not out of the ordinary. When I asked them what I do when I go on holiday for 2 weeks, they had no answer. Great, very helpful.- OPM diagnostic expert had my car for 5 days and cant find anything wrong with it (drain is around 0.078A, charge rate is okay apparently)

Useful things to know:- a well charged battery should read around 12.2v on the guage (or your voltmeter) when engine not running. Mine commonly reads lower than 12v after being left ofr a few days- with engine running, battery charging is indicated by guage reading in excess of 13.8v- standard operating voltage with engine running (when batt charged) is around 13.8v- If you have a tracker, you should always charge the car battery fully connected in the car, as you need to charge the tracker batt's at the same time.- when getting a batt charged by a garage, check if they have a 3-phase charger (it really sorts things out and is the best way of charging a batt, but does take up to 48 hours)- A flat battery needs at least a 2hr drive in the car to charge it, with some solid drives in the following days. Don't jump it, do a 30min drive and think you'll be fine.- read your manual and connect jump leads to engine, as specified

Tracker:- I have a Tracker installed and it is the only thing I havent had fully tested yet- tracker insist there is nothing wrong with it, but if its batt's have discharged a few times, and they are 3.5yrs old, it could be that they dont last very long and once flat they create a large drain on the car batt, or start shorting it- Tracker coming to investigate next week (80 call out, again delighted)

Questions:- anyone else suffer this poor battery life? (assuming low levels of car usage)- anyone figured out how to put a battery disconnect switch into a 996? (difficult as it messes with the alarm)- anyone figured how to disconnect battery but lock all car doors (I dont mind the alarm being off, but cant leave it unlocked on the street!)


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Fuchs
Shanghai


Joined: 22 Dec 2004
Posts: 4991
Location: Switzerland

1994 Porsche 993 Carrera 2

PostPosted: Tue Apr 04, 2006 9:47 am    Post subject: Reply with quote

with a 993 - to lock the car and not set the battery you need to do the following.

Close drivers door, walk around car and from the pax door centrally lock the car using the rocker switch on dash, close pax door and car is locked and alarm not set.


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Used Porsche
Watkins Glen


Joined: 23 May 2003
Posts: 2132



PostPosted: Wed Apr 05, 2006 7:25 pm    Post subject: Reply with quote



Hope this helps.

I also have 2 batteries - one in the car and one on charge.

A good auto electrician will track down a discharge problem.

My replacement radio/cd system was wired incorrectly which drained the battery in about 4 days.

battery solar charger....


Battery cut off switch...


Hope this helps.

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Donnington
Donnington


Joined: 31 Dec 2002
Posts: 12735
Location: Nürburgring Nordschleife

2003 Porsche 996 GT3 Mk2

PostPosted: Wed Apr 05, 2006 10:44 pm    Post subject: Reply with quote

damn it's like battery failure season !! Confused

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